Janus International Group

Senior Mobile App Developer (NFC) - Noke

Janus International Group$100K — $130K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3 years in mobile app development (Android and/or iOS)
  • 3 years of experience with NFC frameworks (Android NFC APIs, Core NFC for iOS)
  • 3 years of experience with Bluetooth Low Energy (BLE)
  • 3 years of experience in IoT devices or hardware-integrated applications
  • 3 years of experience with React Native or cross-platform frameworks

Responsibilities

  • Design, develop, and maintain mobile applications for Android and/or iOS
  • Build high-performance mobile solutions for smart lock access
  • Ensure a consistent user interface and experience across platforms
  • Develop NFC-based access workflows, including tap-to-unlock
  • Integrate NFC capabilities for secure credential storage and offline authentication
  • Implement hybrid access strategies using NFC and BLE
  • Integrate mobile applications with REST APIs and cloud services

Benefits

  • Opportunities to work with cutting-edge IoT technology
  • Involvement in next-generation access solutions development
  • Focus on enhancing security and user experience
  • Collaboration with cross-functional teams on innovative projects
Full Job Description
Overview

This role focuses on developing high-performance mobile applications that interact with smart locks using NFC, BLE, and cloud services, delivering seamless and secure user experiences. You will play a critical role in next-generation access solutions, enabling offline access, enhanced security, and improved customer interactions across our IoT ecosystem.

Responsibilities

  1. Mobile Application Development
  • Design, develop, and maintain Android (Kotlin) and/or iOS (Swift) applications
  • Build scalable, secure, and high-performance mobile solutions for smart lock access
  • Ensure consistent UI/UX across mobile platforms


  1. NFC & Device Interaction
  • Develop and implement NFC-based access workflows (tap-to-unlock, credential exchange)
  • Integrate NFC capabilities including Tag reading/writing, Secure credential storage and validation, Offline authentication flows
  • Optimize NFC performance across different device manufacturers


  1. IoT & Connectivity
  • Implement hybrid access strategies using NFC + BLE fallback
  • Ensure reliable communication in low-connectivity or offline scenarios


  1. Security & Compliance
  • Implement secure authentication methods (token-based, encrypted storage)
  • Ensure compliance with security standards for mobile and IoT ecosystems


  1. Backend Integration
  • Integrate with REST APIs, cloud services (AWS/GCP), and authentication systems
  • Collaborate on API design for mobile-first interactions
  • Ensure efficient syncing of device states, logs, and access permissions


Qualifications

  • 3 years in mobile app development (Android and/or iOS)
  • 3 years of strong hands-on experience with NFC frameworks (Android NFC APIs, Core NFC for iOS), Bluetooth Low Energy (BLE)
  • 3 years of experience working with IoT devices or hardware-integrated applications
  • 3 years of React Native or cross-platform frameworks

PHYSICAL DEMANDS:
  • Regularly required to sit, stand, and walk.

About Janus International Group

Janus International Group is a manufacturing company that specializes in self-storage solutions. The company's products include roll-up doors, hallway systems, and portable storage containers. Janus International Group was founded in 2002 and is headquartered in Temple, Georgia. The company has manufacturing facilities in the United States, Europe, and Asia.
Learn more about Janus International Group
Size
1,000 employees
Market Cap
$1.3 billion
Industry

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